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Traffic Light

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Improved traffic light management can help administrator to control vehicle flow and mitigate congestion, thus reducing transit time and associated carbon emissions. In addition to the basic function of a traffic light - Display Unit, with green, red and orange LEDs, it may incorporate a Detector Unit,  with sensors for detecting vehicles or pedestrian and a Controller Unit - smart traffic light can be equipped with cameras to detect infringements to traffic code and registration plate recognition as well as connectivity to enable centralized control.

We have a broad range of wired and wireless connectivity – including sub-GHz, power management and supply and LED driving solutions, together with a range of high-performance and low-power STM32 microcontrollers, presence, proximity, camera and environmental sensors, as well as MEMS microphones to enable the design of advanced traffic lights systems.

traffic lighting block diagram

Featured Videos

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ST25DV discovery kit demonstration using ST25R3911B reader
ST25DV discovery kit demonstration using ST25R3911B reader

ST25DV-I2C discovery kit demonstration using ST25R3911B reader

ST25DV : Dual interface NFC tags
ST25DV : Dual interface NFC tags

From Embedded World 2017

Protecting circuits against surges
Protecting circuits against surges

Introduction to surges – EOS and ESD – definition, standards, effects and root cause

All resources

Application Notes (5 of 14)

Resource title
Latest update
AN5085 Cycling endurance and data retention of EEPROMs in ST25DVxxx products based on CMOS F8H process 2.0
28 Feb 2020
28 Feb 2020
AN5085 Cycling endurance and data retention of EEPROMs in ST25DVxxx products based on CMOS F8H process 2.0
AN4910 Data exchange between wired (I²C) and wireless (RF ISO 15693) using fast transfer mode supported by ST25DV-I2C 2.0
28 Feb 2020
28 Feb 2020
AN4910 Data exchange between wired (I²C) and wireless (RF ISO 15693) using fast transfer mode supported by ST25DV-I2C 2.0
AN5274 EVALKITSTKNX user guide and performances report 2.1
03 Jul 2020
03 Jul 2020
AN5274 EVALKITSTKNX user guide and performances report 2.1
AN4913 Energy harvesting delivery impact on ST25DVxxx behavior during RF communication 1.0
28 Feb 2020
28 Feb 2020
AN4913 Energy harvesting delivery impact on ST25DVxxx behavior during RF communication 1.0
AN2866 How to design a 13.56 MHz customized antenna for ST25 NFC / RFID Tags 3.0
28 Feb 2020
28 Feb 2020
AN2866 How to design a 13.56 MHz customized antenna for ST25 NFC / RFID Tags 3.0
AN2972 How to design an antenna for dynamic NFC tags 9.0
28 Feb 2020
28 Feb 2020
AN2972 How to design an antenna for dynamic NFC tags 9.0
AN934 How to use the digital calibration feature in TIMEKEEPER® and serial real-time clock (RTC) products 4.1
13 Sep 2018
13 Sep 2018
AN934 How to use the digital calibration feature in TIMEKEEPER® and serial real-time clock (RTC) products 4.1
AN1216 Implementing a periodic alarm with TIMEKEEPER® and serial real-time clocks (RTCs) 2.0
13 Sep 2018
13 Sep 2018
AN1216 Implementing a periodic alarm with TIMEKEEPER® and serial real-time clocks (RTCs) 2.0
AN923 Managing century information using serial real-time clocks and TIMEKEEPER® NVRAMs 4.0
13 Sep 2018
13 Sep 2018
AN923 Managing century information using serial real-time clocks and TIMEKEEPER® NVRAMs 4.0
AN4911 NDEF management with ST25DVxxx and ST25TVxxx products 4.0
28 Feb 2020
28 Feb 2020
AN4911 NDEF management with ST25DVxxx and ST25TVxxx products 4.0
AN576 PCB layout optimisation 3.0
13 Sep 2018
13 Sep 2018
AN576 PCB layout optimisation 3.0
AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0
24 Mar 2020
24 Mar 2020
AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0
AN1019 Second source for SNAPHAT® using a dual footprint 2.1
13 Sep 2018
13 Sep 2018
AN1019 Second source for SNAPHAT® using a dual footprint 2.1
AN316 Transilâ„¢ clamping protection mode 4.3
13 Sep 2018
13 Sep 2018
AN316 Transilâ„¢ clamping protection mode 4.3
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Presentations (1)

Resource title
Latest update
ST25DV-I2C product presentation 2.3
26 Feb 2020
26 Feb 2020
ST25DV-I2C product presentation 2.3

Flyers (5)

Resource title
Latest update
DC-DC converters
30 Jun 2020
30 Jun 2020
DC-DC converters
L6984, L6986 Energy saving synchronous DC-DC converters for industrial
06 Feb 2020
06 Feb 2020
L6984, L6986 Energy saving synchronous DC-DC converters for industrial
ST Protection Finder - The new app for Android and iOS 1.0
02 Mar 2020
02 Mar 2020
ST Protection Finder - The new app for Android and iOS 1.0
ST25DV-I2C series flyer 1.1
26 May 2020
26 May 2020
ST25DV-I2C series flyer 1.1
Ultra-low clamping voltage 0201 ESD diodes 1.0
31 Jul 2018
31 Jul 2018
Ultra-low clamping voltage 0201 ESD diodes 1.0

Selection Guides (2)

Resource title
Latest update
Linear and Switching Voltage Regulators Selection Guide 3.0
25 Mar 2020
25 Mar 2020
Linear and Switching Voltage Regulators Selection Guide 3.0
Protection devices and integrated EMI filtering selection guide 2.0
23 Mar 2020
23 Mar 2020
Protection devices and integrated EMI filtering selection guide 2.0

Brochures (1)

Resource title
Latest update
NFC solutions from ST 1.0
17 Jul 2020
17 Jul 2020
NFC solutions from ST 1.0

All tools & software

    • Part number
      		Status
      		Description
      		Type
      		Supplier

      SEL-PROT-TVS
      Active

      Transient voltage suppressor smart selection tool

      		 --
      SEL-PROT-TVS

      Description:

      Transient voltage suppressor smart selection tool
    • Part number
      		Status
      		Description
      		Type
      		Supplier

      X-CUBE-NFC1
      Active

      STM32Cube expansion software for X-NUCLEO-NFC01A1

      		 STM32Cube Expansion Packages ST

      X-CUBE-NFC4
      Active

      Dynamic NFC/RFID tag IC software expansion for STM32Cube

      		 STM32Cube Expansion Packages ST
      X-CUBE-NFC1

      Description:

      STM32Cube expansion software for X-NUCLEO-NFC01A1
      X-CUBE-NFC4

      Description:

      Dynamic NFC/RFID tag IC software expansion for STM32Cube
    • Part number
      		Status
      		Description
      		Type
      		Supplier

      STSW-ST25001
      Active

      Application executable of the "NFC Tap" Android app for ST25 product family

      		 ST25 - NFC / RFID Software ST

      STSW-ST25DV001
      Active

      Firmware for ST25DV-DISCOVERY kit

      		 ST25 - NFC / RFID Software ST

      STSW-ST25SDK001
      Active

      Software Development Kit for ST25 Tags and Dynamic Tags

      		 ST25 - NFC / RFID Software ST
      STSW-ST25001

      Description:

      Application executable of the "NFC Tap" Android app for ST25 product family
      STSW-ST25DV001

      Description:

      Firmware for ST25DV-DISCOVERY kit
      STSW-ST25SDK001

      Description:

      Software Development Kit for ST25 Tags and Dynamic Tags
    • Part number
      		Status
      		Description
      		Type
      		Supplier

      ST Protection Finder
      Active

      Protection product finder application for Android, iOS and Wandoujia

      		 Finders Apps ST
      ST Protection Finder

      Description:

      Protection product finder application for Android, iOS and Wandoujia

eDesignSuite

Converter

Input

V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

Output

V This option is required and must be a number.
A This option is required and must be a number.